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TEMA 15 - Materials Science Institute of Madrid

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Parte 4.<br />

Instrumentación t de alta<br />

resolución<br />

?<br />

Análisis i con alta<br />

resolución espacial:<br />

lateral y en pr<strong>of</strong>undidad<br />

rgago@icmm.csic.es Instituto de Ciencia de Materiales de <strong>Madrid</strong> (CSIC) 53/62<br />

Análisis composicional de multicapas<br />

Análisis de espesores individuales por debajo<br />

de la decena de nm’s (limitado por la<br />

resolución de los detectores a 5-10 nm)<br />

Reducción del espesor<br />

RBS Yield (counts)<br />

3.5 MeV He 2+<br />

=10°<br />

Si<br />

N<br />

Cr interlayer<br />

2x (500 nmCrN / 350 nmAlN)<br />

Al<br />

Cr<br />

Exp<br />

Sim<br />

Cr<br />

RBS Yie eld (counts)<br />

RBS 3.5 MeV He 2+ @ =10°<br />

10x (40nm AlN / 90nm CrN)<br />

N<br />

Si<br />

Cr interlayer<br />

Al<br />

Exp<br />

Sim<br />

Cr<br />

500 1000 <strong>15</strong>00 2000 2500<br />

Energy (keV)<br />

500 1000 <strong>15</strong>00 2000 2500<br />

Energy (keV)<br />

rgago@icmm.csic.es Instituto de Ciencia de Materiales de <strong>Madrid</strong> (CSIC) 54/62<br />

27

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